Finding the Fourth Proportional to 74,978.34, 112,465.08 and 19,574.34

Step by Step Solution

1. Step 1: Write the proportion equation
   74,978.34 : 112,465.08 = 19,574.34 : x
2. Step 2: Convert to fraction form
   74,978.34/112,465.08 = 19,574.34/x
3. Step 3: Cross multiply
   74,978.34x = 112,465.08 × 19,574.34
4. Step 4: Simplify right side
   74,978.34x = 2,201,429,714.05
5. Step 5: Solve for x
   x = 2,201,429,714.05/74,978.34
6. Step 6: Final answer
   x = 29,360.88